AT89LP428-20MU ATMEL [ATMEL Corporation], AT89LP428-20MU Datasheet - Page 130

• Manufacturer Part Number: AT89LP428-20MU
• Description: 8-bit Microcontroller with 4K/8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

24.3.3
130
AT89LP428/828
Crystal Oscillator
Figure 24-5. Quartz Crystal Input at 5V
Figure 24-6. Ceramic Resonator Input at 5V
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
0
0
Oscillator Amplitude vs. Frequency
Oscillator Amplitude vs. Frequency
Ceramic Resonator with R1 = 4MΩ
5
5
Quartz Crystal with R1 = 4MΩ
Frequency (MHz)
Frequency (MHz)
10
10
15
15
20
20
25
25
C2=10pF
C2=5pF
C2=0pF
C2=10pF
C2=5pF
C2=0pF
3654A–MICRO–8/09